*Nuremberg-based ART offers new tuning packages for the Mercedes-Benz CLS 350 and GL. For the CLS, there's a supercharger system and sport exhaust, engineered to push peak power to 374 hp. A body widening kit is also available, along with signature six-spoke ARTstar2 wheels, measuring 20 inches across. Interior enhancements options include custom carbon and leather trim, as well as trick 'steplights' illuminating the door sills.

For the SUV, ART offers aerodynamic components which include dynamic new front and rear fascias (which reportedly won't affect the vehicle's towing abilities), monoART1 wheels (sized upwards of 22 inches), sport exhaust systems and interior accoutrements which also include those slick door sill steplights.

Art Tuning www.art-tuning.de North America: H EuroElites 510.770.8550

Novitec Tridente
More poke

*Novitec has called its upgrade program for the Maserati Quattroporte the Tridente, for obvious reasons. It boosts engine output by 13hp through modifications to the ECU and by fitting a new stainless steel exhaust system. So now the Ferrari-sourced V8 belts out 413 hp at 7100 rpm and 345 lb-ft of torque at 4650 rpm. An adjustable Novitec/KW coilover suspension is also available along with NM1 forged 20-inch wheels wearing 245/35 (front) and 285/30 (rear) Pirelli P Zero Rosso tires.

Novitec Rosso www.novitecrosso.com North America: CEC 800.766.0064 www.cecwheels.com

First Look
2008 Audi RS6 Avant
The Most Powerful Yet

*The RS6 is back-with a vengeance. It will be the most powerful production Audi in history, about 570-hp worth. Peak torque weighs in at 479 lb-ft, available as early as 1500 rpm all the way up to a 6250-rpm redline. These figures come courtesy of a bi-turbo V10 based on the power unit found in the current S6. Reportedly, the car can sprint to 100 kph, or 62 mph, in 4.6 seconds. Transferring power to the imposing 19-inch (or optional 20-inch) wheels is the latest generation of Quattro all-wheel drive with a standard 40/60 front-to-rear power split.

A new all-hydraulic version of Dynamic Ride Control (DRC) contributes to the car's on-road composure, diagonally connecting shock absorbers through a central valve. It will feature a three-stage driver selectable control to allow a choice between comfort, dynamic and sport settings. A reconfigured version of the Electronic Stability Program is also present, programmed to intervene 'as late as possible' in order to maximize the spirited driving experience. ESP can also be turned off entirely if you think you have the brass.

Other features include optional ceramic brakes and RS-specific interior appointments like Alcantara-accented sport seats, the flat-bottom sport steering wheel and wheel-mounted shift paddles for manual gear changes. And to prove the latest RS car isn't just about high performance, Audi claims 'real world' fuel economy up to 20.3 mpg, plus, of course, the Avant platform's 58.6 cubic-foot load capacity. Unfortunately for us, the new RS6 is not destined for the US market-at least initially.

Hamann 3 Series Convertible
Extra Hop For The Open Top

*Proving no Bimmer is safe for long, Hamann has released its tuning programs for the latest 3 Series convertibles. All models can benefit from sport air filters and chip tuning, increasing power by 13 hp on the 325i and 17 hp on the 330i. The 335i can now exhale through a four-pipe sport muffler and see gains as high as 37 hp. Aerodynamic kits are available, including a front bumper spoiler, side skirts and a rear skirt, and fitted carbon-Kevlar mirror caps. Suspension and brake mods are also on offer, along with three custom wheel patterns sized all the way up to 20 inches.

Hamann Motorsport www.hamann-motorsport.de

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